<?php
if ($_GET ['t'] == 'png') {
	$filename = 'tiger.png';
	$mime = 'png';
} else if ($_GET ['t'] == 'gif') {
	$filename = 'tiger.gif';
	$mime = 'gif';
} else if ($_GET ['t'] == 'jpg') {
	$filename = 'tiger.jpg';
	$mime = 'jpeg';
} else if ($_GET ['t'] == 'jpeg') {
	$filename = 'tiger.jpg';
	$mime = 'jpeg';
} else if ($_GET ['t'] == 'wmf') {
	$filename = 'tiger2.wmf';
	$mime = 'wmf';
} else if ($_GET ['t'] == 'svg') {
	$filename = 'tiger.svg';
	$mime = 'svg';
} else {
	exit ();
}

$fp = fopen ( $filename, 'rb' );
header ( "Content-Type: image/" . $mime );
header ( "Content-Length: " . filesize ( $filename ) );
fpassthru ( $fp );
fclose ( $fp );
exit ();
?>